Poly-Doctor Petroleum Technology Co., Ltd.Beijing - cippe2015 Beijing Exhibitor Database - China International Petroleum & Petrochemical Technology and Equipment Exhibition

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北京众博达石油科技有限公司
Poly-Doctor Petroleum Technology Co., Ltd.BeijingBooth：E1120

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Website：www.pdpt.com.cn

北京众博达石油科技有限公司Poly-Doctor Petroleum Technology Co., Ltd.BeijingBooth：E1120

北京众博达石油科技有限公司
Poly-Doctor Petroleum Technology Co., Ltd.BeijingBooth：E1120